नागपर्वतकं रूक्षं शैवलवर्णं वा ॥ कZ_०२.११.५४ ॥
nāgaparvatakaṃ rūkṣaṃ śaivalavarṇaṃ vā
Ang ‘Nāgaparvataka’ ay tuyo/magaspang, o kaya’y kulay luntiang gaya ng lumot-dagat.
Dryness/roughness can indicate age, storage conditions, or a different grade; recording it supports rotation decisions and valuation adjustments.